Rockwell Automation 1746-NR8 SLC 500 RTD/Resistance Input Module User Manual - Manual (Page 53)

Publication 1746-UM003A-EN-P
Channel Configuration, Data, and Status 4-5
Table 4.1 Channel Configuration Word (O:e.0 through O:e.7) - Bit Definitions
Define To Select Make these bit settings in the Channel Configuration Word
15
14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Input type selection 100 Pt (385) 0 0 0 0
200 Pt (385) 0 0 0 1
500 Pt (385) 0 0 1 0
1000 Pt (385) 0 0 1 1
100 Pt (3916) 0 1 0 0
200 Pt (3916) 0 1 0 1
500 Pt (3916) 0 1 1 0
1000 Pt (3916) 0 1 1 1
10 Cu (426)
(1) 1 0 0 0
120 Ni (618)
(2) 1 0 0 1
120 Ni (672) 1 0 1 0
604 NiFe (518) 1 0 1 1
150
Ω
Resistance Input 1 1 0 0
500
Ω
Resistance Input 1 1 0 1
1000
Ω
Resistance Input 1 1 1 0
3000
Ω
Resistance Input 1 1 1 1
Data format selection
Engineering units x 1
(3) 0 0
Engineering units x 10
(4) 0 1
Scaled-for-PID 1 0
proportional counts 1 1
Broken input selection Set to Zero 0 0
Set to Upscale 0 1
Set to Downscale 1 0
Invalid 1 1
Temperature units
selection
Degrees C
(5) 0
Degrees F
(5) 1
Filter frequency selection 28 Hz 0 0
50/60 Hz 0 1
800 Hz 1 0
6400 Hz 1 1
Channel enable Channel Disabled 0
Channel Enabled 1
Excitation current
selection 1.0 mA 0
0.25 mA 1
Cal. Disable Enable 0
Disable 1
Lead R. Enable Disable 0 0
Periodic 0 1
Always 1 0
Invalid 1 1
(1) Actual value at 0 °C is 9.042
Ω
per SAMA standard RC21-4-1966.
(2) Actual value at 0 °C is 100
Ω
per DIN standard.
(3) Values are in 0.1 degree /step or 0.1
Ω
/step for all resistance input types, except 150
Ω
. For the 150
Ω
resistance input type, the values are in 0.01
Ω
/step.
(4) Values are in 1 degree /step or 1
Ω
/step for all resistance input types, except 150
Ω
. For the 150
Ω
resistance input type, the values are in 0.1
Ω
/step.